android > styles

res/values/styles.xml

<?xml version="1.0" encoding="UTF-8"?>
<resources>
	<style name="globalActTheme" parent="android:Theme.Translucent.NoTitleBar">
	        <item name="android:textColor">#333333</item>
	</style>
	
	
		
	<style name="myDialog" parent="@android:style/Theme.Dialog">
	    <item name="android:windowBackground">@android:color/transparent</item>
    	<item name="android:textColor">#FFFFFF</item>
	</style> 	

</resources>

如果是manifest 里面的 activity 可以 加载 android:theme="@style/globalActTheme"